Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP11520694Aexternal-prioritypatent/JP3255330B2/en
Application filed by Denki Kagaku Kogyo KkfiledCriticalDenki Kagaku Kogyo Kk
Priority to SG1995000526ApriorityCriticalpatent/SG30388A1/en
Publication of SG30388A1publicationCriticalpatent/SG30388A1/en